ML090430226

PINGP Lr - One-Time Inspection Program Sampling Methodology

ML090430226
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Site:	Prairie Island
Issue date:	02/12/2009
From:	- No Known Affiliation
To:	Division of License Renewal
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Download: ML090430226 (35)

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1 PrairieIslandNPEm Resource From:

Lindberg, Philip [Philip.Lindberg@xenuclear.com]

Sent:

Thursday, February 12, 2009 10:05 AM To:

Stuart Sheldon Cc:

Eckholt, Gene F.; Vincent, Robert; Roman, William D.

Subject:

One-Time Inspection Program Sampling Methodology Attachments:

LR_TR_539 Rev A -- One Time Inspection bindered.pdf Stu -

Attached is the approved PINGP One-Time Inspection Program Sampling Methodology document, LR-TR-539. Please contact me if you have any questions.

Phil Lindberg Prairie Island - License Renewal Project 651-388-1121 (x5281) 651-267-7207 - FAX Philip.Lindberg@xenuclear.com

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One-Time Inspection Program Sampling Methodology Sent Date:

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Tracking Status: None "Vincent, Robert" <Robert.Vincent@xenuclear.com>

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Page 1 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 2 of 18 TABLE OF CONTENTS Section Title Page 1.0 PURPOSE............................................................................................................ 3

2.0 BACKGROUND

.................................................................................................... 3 3.0 DISCUSSION..................................................................................................... 10 3.1 Apply Sample Selection Strategies.......................................................... 10 3.2 Confirm Sample Inspection Locations...................................................... 12 3.3 General Considerations........................................................................... 12 3.4 Acceptance Criteria and Scope Expansion.............................................. 13

4.0 REFERENCES

................................................................................................... 14 LIST OF TABLES Table 1 Open Items.................................................................................................... 15 Table 2 Revision Summary........................................................................................ 16 LIST OF ATTACHMENTS Aging Effects / Mechanisms and Inspection Methods for One-Time Inspection Program................................................................................... 17 Sample Group 1 - Fuel Oil (15 Pages).................................................. 18 Page 2 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 3 of 18 1.0 PURPOSE Consistent with Section XI.M32 of NUREG-1801, Generic Aging Lessons Learned (GALL)

Report (Reference 4.3), a One-Time Inspection (OTI) Program:

is to provide additional assurance that either aging is not occurring or the evidence of aging is so insignificant that an aging management program is not warranted.

The GALL Report further notes the elements of the program include:

a.

determination of the sample size based on an assessment of materials of fabrication, environment, plausible aging effects, and operating experience;

b.

identification of the inspection locations in the system or component based on the aging effect;

c.

determination of the examination technique, including acceptance criteria that would be effective in managing the aging effect for which the component is examined; and

d.

evaluation of the need for follow-up examinations to monitor the progression of any aging degradation.

The purpose of this document is to describe the Prairie Island Nuclear Generating Plant (PINGP) approach for completing elements a and b (i.e., determining the sample size and inspection locations necessary to fulfill the objectives for one-time inspections).

Inspection examination techniques, acceptance criteria and evaluation of inspection results (i.e., elements c and d) will be contained in a separate document, the PINGP One-Time Inspection Program Inspection Methods. The PINGP Program Basis Document LR-AMP-418, One-Time Inspection Program, provides the basis for this aging management program.

2.0 BACKGROUND

The GALL recommends a sampling approach to confirm the presence of degradation and, if present, determine the rate of degradation due to plausible aging effects. The PINGP License Renewal Application, consistent with the GALL, uses the OTI Program to:

1.

Verify the effectiveness of the Fuel Oil Chemistry Program to manage the effects of aging of various components in systems containing fuel oil,

2.

Verify the effectiveness of the Water Chemistry Program to manage loss of material and heat transfer degradation,

3.

Verify the effectiveness of the Water Chemistry Program to manage crack initiation and growth due to SCC in stainless steel components, Page 3 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 4 of 18

4.

Verify the effectiveness of the Lubricating Oil Analysis Program to manage the effects of aging of various components in systems containing lubricating or hydraulic oil, and,

5.

Verify unacceptable material degradation is not occurring in areas exposed to environments where significant degradation is not expected to occur.

In order to ensure a representative number of components are selected and examined for aging effects, separate sample groups will be established based on the objectives of the PINGP OTI Program (noted above). A technical review, plant operating experience review, and plant personnel review will be performed to pick a smart sample for examination from each group. This smart sampling approach is based on the premise that inspection of those areas most susceptible to aging can be used to confirm performance in less susceptible areas without the need for further inspections. This premise will be validated by also selecting several areas deemed less susceptible to aging for inspection to confirm that more significant degradation has not occurred.

The technical review will include a documentation search on aging effects and mechanisms. Material and environment combinations most susceptible to the identified aging effects/mechanisms will be identified. Examples of those susceptible areas are those that experience low flow or stagnant conditions during plant operation.

The plant operating experience review will include evaluation of recent internal visual and other non destructive examinations relevant to the aging effects included in the OTI Program in those areas deemed most susceptible to aging. Consistent with NUREG-1801, one-time inspection results from plant operating experience will be limited to examinations performed within 10 years of the period of extended operation, therefore the history review will be limited to results dating back to the 2003 - 2004 time-frame. Also consistent with NUREG-1801, examination results will generally be limited to those that had been performed as part of the PINGP Inservice Inspection (ISI) Program (i.e., done by qualified inspectors using approved ASME Section XI acceptance criteria, exam techniques, etc.).

The plant review will be performed by qualified plant personnel knowledgeable in system design, operation, inspection results and overall material condition to evaluate the selected sample sizes and locations and appropriate examination techniques for each sample group. Results will be formally captured in meeting minutes and placed in the License Renewal Project files. Work orders and maintenance procedures will be used to perform the required inspections. The overall process to satisfy GALL program elements a and b includes the following four steps described in more detail below:

Page 4 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 5 of 18 x

Step 1: Identify the LR In-Scope Components that Credit the OTI Program x

Step 2: Establish Sample Groups based on the OTI Program Objectives x

Step 3: Identify Proposed Sample Size and Locations (Complete the Technical and Operating Experience Reviews) x Step 4: Finalize Sample Size and Inspection Locations (Complete the Plant Review)

Step 1: Identify the LR In-Scope Components that Credit the OTI Program The License Renewal systems that credit the One-Time Inspection Program are listed in the following table:

Systems Systems Auxiliary Feedwater (AF) System Heating (HS) System Bleed Steam (BL) System Main Steam (MS) System Chemical and Volume Control (VC)

System Plant Sample (SM) System Circulating Water (CW) System Pressurizer (PS) System Condensate (CD) System Radiation Monitoring (RD) System Containment Spray (CS) System Reactor Coolant (RC) System Control Room and Miscellaneous Area Ventilation (ZN) System Safety Injection (SI) System Cooling Water (CL) System Steam Generator (SG) System Diesel Generators and Support (DG)

System Steam Generator Blowdown (SB)

System Feedwater (FW) System Turbine Generator and Support (TB)

System Fire Protection (FP) System Water Treatment (DE) System Fuel Oil (FO) System Components that credit the OTI Program are contained in ALEX, the License Renewal Equipment Database (LRDB), by unique tag number or asset group ID (e.g., MS-PIPES-CNT-CS) on a system basis. These components are further identified in License Renewal Boundary Drawings.

Approximately 7,800 individual components (e.g., valve bodies, pump casings, piping, etc.)

are included in the LRDB that credit the OTI Program. These components and assets were sorted from the LRDB by selecting those that credit the OTI Program for managing aging effects (see Attachment X)

Page 5 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 6 of 18 Step 2: Establish Sample Groups based on the OTI Program Objectives All of the in-scope components were combined into sample groups that align with the objectives of the OTI Program. Components from each sample group will be selected and examined for the presence of aging effects. Five sample groups were established as shown below:

Sample Group 1 - Fuel Oil - Loss of Material / Cracking Sample Group 1 was established to confirm the effectiveness of the Fuel Oil Chemistry Program to manage the aging effects of loss of material and cracking in brass, bronze, carbon steel, cast iron, copper alloy and stainless steel components. The most frequent use of the OTI Program is to verify the mitigative effects of system chemistry. Adequate chemistry monitoring and control should prevent age degradation to the extent that component intended function(s) can be maintained during the period of extended operation, or ensure appropriate follow-up actions are otherwise implemented.

Components in Sample Group 1 subject to the loss of material and cracking aging effects include components in the DG, FO and FP Systems in a fuel oil environment. Attachment 2 provides a list of all components in Sample Group 1.

Sample Group 2 - Treated Water - Loss of Material / Heat Transfer Degradation Sample Group 2 was established to confirm the effectiveness of the Water Chemistry Program to manage the aging effects of loss of material and heat transfer degradation in aluminum, brass, bronze, carbon steel, carbon steel with stainless steel insert, cast austenitic stainless steel (CASS), cast iron, chrome molybdenum alloy, copper alloy, ductile iron, nickel alloy and stainless steel. This sample group includes the largest population of components due to the more prevalent loss of material aging effect, and is the predominate user of the OTI Program. These components are exposed to either a treated water or steam environment that is monitored and controlled by the Water Chemistry Program.

Components in Sample Group 2 subject to the loss of material aging effect include components in the AF, BL, CD, CS, CW, DE, FW, HS, MS, RC, RD, SB, SG, SM, TB, VC and ZN Systems in a treated water or steam environment. Components in Sample Group 2 subject to the heat transfer degradation aging effect include components in the AF System in a treated water environment.

Sample Group 3 - Treated Water - Cracking Sample Group 3 was established to confirm the effectiveness of the Water Chemistry Program to manage the aging effect of cracking in brass, bronze, cast austenitic stainless steel (CASS), copper alloy, nickel alloy, stainless steel and stainless steel with carbon steel insert components. These components are exposed to either a treated water or steam environment that is monitored and controlled by the Water Chemistry Program.

Page 6 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 7 of 18 Components in Sample Group 3 subject to the cracking aging effect include components in the BL, CD, FW, HS, PS, RC, RD, SB, SG, SM, TB, and VC Systems in a treated water or steam environment.

Sample Group 4 - Lubricating Oil - Loss of Material / Heat Transfer Degradation Sample Group 4 was established to confirm the effectiveness of the Lubricating Oil Analysis Program, which includes both lubricating oil and hydraulic oil environments, to manage the loss of material and heat transfer degradation aging effects in brass, bronze, carbon steel, cast iron, copper alloy, ductile iron and stainless steel. The most frequent use of the OTI Program is to verify the mitigative effects of system chemistry. Adequate chemistry monitoring and control of the oil environment should prevent age degradation to the extent that component intended function(s) can be maintained during the period of extended operation, or ensure appropriate follow-up actions are otherwise implemented.

Components in Sample Group 4 subject to the loss of material aging effect include components in the AF, CL, DE, DG, FP, FW, RC, SI, TB, VC and ZN Systems in a hydraulic oil or lubricating oil environment. Components in Sample Group 4 subject to the heat transfer degradation aging effect include components in the AF, DG and SI Systems in a lubricating oil or hydraulic oil environment.

Sample Group 5 - Stand-Alone Inspections Sample Group 5 was established to confirm unacceptable material degradation is not occurring in areas exposed to other environments where significant degradation is not expected to occur. This sample group includes those components whose environment is not monitored or controlled by the Water Chemistry, Fuel Oil Chemistry, or Lubricating Oil Analysis Programs and for which, based on materials and environments, a one-time inspection is deemed adequate to verify little or no degradation is occurring.

Step 3: Identify Proposed Sample Size and Locations As described in the GALL, there are a number of attributes to consider when identifying aging effect susceptibility including: materials of fabrication, fabrication process, environment, and operating characteristics. A review of available literature, project documents, recent plant inspection results, and results of other utility OTI Programs (as available) will be performed to identify those attributes most likely to cause the aging effects identified for components and assets in each sample group and the areas where these effects are likely to occur. The GALL notes that one-time inspections should be performed no sooner than 10 years prior to the period of extended operation.

Page 7 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 8 of 18 The current operating licenses for PINGP expire at midnight August 9, 2013 (Unit 1) and midnight October 29, 2014 (Unit 2). Therefore, prior inspections (dating back to the 2003-2004 timeframe) performed in the areas of interest will be reviewed to determine if any results meet the criteria for being considered a completed one-time inspection. Additional operating experience and inspection data will also be reviewed to gain a general understanding of plant material condition, but only credited as a completed one-time inspection if it satisfies the conditions of susceptible location, examination technique (i.e.,

ISI type inspection), and completed since September 2003 or November 2004.

A one-time inspection sample population and sample locations for each Sample Group will be prepared. Some preliminary technical reviews (literature searches) have been performed and the results are provided below (by Sample Group) for further consideration in completing Step 3.

Sample Group 1: Fuel Oil Sample Group 1 was established to confirm the effectiveness of the Fuel Oil Chemistry Program to manage the loss of material aging effect.

This sample group contains 544 components (see Attachment 2). From the LRDB, the following materials, aging effects, and aging mechanisms are present in this sample group:

Material Aging Effect Aging Mechanism Carbon Steel and Cast Iron Loss of Material Crevice, Galvanic, General, Microbiological Induced Corrosion (MIC), and Pitting Corrosion See Note Brass, Bronze and Copper Alloy Loss of Material Crevice, Microbiological Induced Corrosion (MIC), and Pitting Corrosion See Note Stainless Steel Loss of Material Crevice, Microbiological Induced Corrosion (MIC), and Pitting Corrosion Note: Selective leaching is addressed separately by the PINGP Selective Leaching of Materials Program.

Page 8 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 9 of 18 Components exposed to fuel oil environments are subject to loss of material due to crevice, galvanic, general, microbiological induced corrosion (MIC) and pitting corrosion.

Low flow and stagnant areas are more likely locations for pooling. These same areas are prone to contaminants that further support the possible presence of these aging mechanisms. The most common locations for contaminants and water are low points and chambers in valves or other components. Irregular surfaces and dissimilar metals are candidates for crevice and galvanic corrosion, respectively. MIC can occur anywhere within the system, however, it is facilitated by stagnant conditions, biofouling, internal crevices, and contact with untreated water. Therefore, the same general considerations for selecting sample locations for the other loss of material aging mechanisms apply to MIC.

This information will be considered in selecting sample size and locations.

A review of the locations for stainless steel materials determined that fuel oil temperature does not reach the 140°F threshold within the fuel delivery system. Therefore, the stainless steel material in the fuel oil environment is not subject to cracking as an aging mechanism and inspections for cracking will not specifically be performed.

Materials contained in this group include carbon steel, cast iron, copper alloys (including brass and bronze) and stainless steel. A select few items from each material group will be chosen for the inspection set. Inspections of these items can be coordinated with the diesel generator PM procedures to take advantage of work activities that are already scheduled for future diesel maintenance outages.

All components subject to a fuel oil environment are included in Sample Group 1.

From the LRDB database, these include components with Fuel Oil listed as their environment.

Systems Included: DG, FO and FP Systems (see Attachment 2)

Total Components: 544 Minimum Number of Inspections: 10 Number of Minimum No.

Environments/Materials Components of Inspections Fuel Oil 1a - Carbon Steel and Cast Iron 486 8

1b - Copper Alloy*

39 1

1c - Stainless Steel 19 1

Totals:

544 10

• includes brass, bronze and copper alloy Sample Groups 2, 3, 4 and 5 shall be evaluated in the same manner.

Page 9 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 10 of 18 Step 4: Finalize Sample Size and Inspection Locations Proposed sampling strategies will be prepared by License Renewal personnel and then reviewed and finalized with input from plant personnel. Plant personnel experienced in system design, operation, material condition, prior inspection results, and the impact of aging effects on equipment performance will perform the reviews. Personnel selected will vary depending on the sample group or portion of a sample group to be reviewed. In general, System Engineers and Program Engineers knowledgeable of system material condition through the conduct of prior Inservice Inspection examinations and other inspections will participate. Maintenance and operations personnel will be contacted to provide input as well in areas they have experience in conducting inspections. The objective of each review is to select a sufficient number of inspection locations to bound the presence of potential aging effects.

Results will be used to prepare work orders, revise preventive maintenance procedures, and implement other actions to ensure that one-time inspections are performed prior to the period of extended operation. Inspection methods, inspector qualifications, acceptance criteria, flaw evaluation techniques, and documentation requirements will meet the requirements of the PINGP Inservice Inspection Program to the extent possible. The non-destructive examination techniques selected (visual, ultrasonic, etc.) will be those which can reasonably detect the presence of aging and be consistent with the recommendations of the GALL. Sample locations and examination techniques chosen will be documented, including any deviations from approved ISI techniques with appropriate justification. In selecting sample locations a number of factors will be considered including safety and ALARA, need for scaffolding, availability of other, more accessible sample locations subject to the same conditions, planned equipment inspections and replacements during the outage.

For all sample groups, if the inspection detects degradation, the results will be evaluated by Engineering. If acceptance criteria are not met, an Action Request will be prepared and evaluated through the Corrective Action Program. The evaluation will consider impacts on component intended function(s) over the period of extended operation. Unacceptable results will be evaluated further for extent of condition, need for additional inspections, etc.

3.0 DISCUSSION 3.1 Apply Sample Selection Strategies As described in the GALL, there are a number of attributes to consider when identifying aging effect susceptibility including: materials of fabrication, fabrication process, environment, and operating characteristics.

Stagnant fluid conditions allow for concentration of contaminants, chemical reactions to increase, and oxygen to pocket and react with the local environment. Stagnant areas of operating systems occur at drain line isolation valves or branching pipe isolation Page 10 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 11 of 18 valves. Several of the plant systems are idle, waiting in a standby condition. These systems are almost entirely stagnant while idle. These are the obvious first choices for inspection locations.

Review of each system for these locations, along with the environment and material, is needed to pick inspection points for each of these combinations. In order to verify the assumption that the most susceptible areas were identified and indicative of the general condition, a few inspections in less susceptible areas will also be selected to confirm results. A review of maintenance activities or inspections scheduled in the plant for the systems involved will also be performed. This will allow for previously planned work activities to be revised, rather than initiate new activities, to meet inspection requirements for this program.

For Sample Groups 1 through 4, the various material/environment combinations contained will be identified and the number of components associated with each combination will be counted (based on the data contained in the LRDB). For each identified combination, the number of components to be inspected are assigned. The quantities picked for inspection are determined to be adequate based on a review of other LR applicants programs (that were reviewed and accepted by the staff) and sound engineering judgment. The basis for this judgment is that all material/environment combinations for each group are inspected; and inspections will be concentrated in the more susceptible areas (e.g. stagnant/low flow, alternating wet/dry, splash zones) and among the more susceptible materials (i.e.

carbon/low alloy steel and cast iron). These selection criteria will provide an overall cross-section of inspections with concentration on bounding areas and materials, which will provide reasonable assurance that aging effects are verified to not be occurring, or occurring so slowly as to not affect intended functions for the period of extended operation.

These bounding locations will represent the material/environment combination, regardless of the component type, because it is assumed that the same material in the same environment will have the same aging effects and age the same. Therefore, not all component types within a material environment grouping will be selected for inspections, but the inspections that are selected are expected to bound all component types within that material/environment group.

A knowledgeable individual (i.e., experienced in system design, operation, material condition, prior inspection results, and the impact of aging effects on equipment performance and license renewal) will assist in the review of this inspection strategy and its application to each of the sample groups developed above, and will determine the initial sample inspection locations.

Page 11 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 12 of 18 3.2 Confirm Sample Inspection Locations The initial choices for sample inspection locations will be reviewed by various PINGP plant personnel (i.e., system engineers, maintenance specialists, etc.) who are cognizant of the systems and components involved, and they will provide input as to their appropriateness. These reviewers will be requested, based upon their expertise, to identify more relevant inspection locations or locations that are already scheduled to be inspected which may also suit the inspection criteria. Based on reviews of up-coming work (work orders, PMs, modifications, etc.), the locations originally selected may be changed to similar or equivalent locations where up-coming work is to be performed, in order to minimize the overall workload on the site.

3.3 General Considerations 3.3.1 Inspection methods are per Attachment 1. If an inspection method other than that specified in Attachment 1 is used, the basis for the revised inspection method will be documented.

3.3.2 Galvanic corrosion occurs when dissimilar materials are electrically coupled together. The amount of corrosion is affected by the galvanic potential between the dissimilar metals, the ratio of cathode to anode surface area, and the conductivity of the environment. (Note that treated water per EPRI Chemistry Guidelines is a poor electrolyte, and therefore little or no galvanic corrosion is expected in PINGP treated water environments.) Design of the plant generally precludes detrimental couples.

For the sample groups identified at PINGP, inspections have been planned for each material/environment combination. Since galvanic corrosion will show up as a loss of material similar to other aging mechanisms, inspections of the various materials in the same environment will ensure that aging due to galvanic corrosion will be adequately monitored.

3.3.3 Stainless steel materials are generally more corrosion resistant than carbon and low alloy steels. When sample groups contain mixes of these materials, more inspections will be chosen for the carbon and low alloy steel components than for the stainless steel components. By weighting the inspections in this manner, PINGP will more thoroughly monitor the worse case material/environment combination locations, but still inspect some of the less susceptible areas to ensure that no unexpected degradation is occurring.

3.3.4 As a material group, stainless steel is subject to cracking when there is water present and temperatures rise above a threshold value of 140°F. Inspections of stainless steel components in environments greater than 140°F, must utilize a technique capable of detecting cracking (see Attachment 1).

Page 12 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 13 of 18 3.3.5 Cast Austenitic Stainless Steel (CASS) is prone to thermal embrittlement when temperatures are maintained above 480°F. Other than that, CASS and stainless steel have the same aging effects and mechanisms up to this 480°F temperature threshold, and therefore, these materials will be combined for inspection purposes whenever the environment is below 480°F.

3.3.6 Fluid velocity can affect how susceptible a material is to aging mechanisms.

Typical velocities found in the systems at PINGP are below the threshold that would cause erosion. Erosion that has been identified at PINGP (other than FAC) has been attributed to poor design and/or improper use of components. Low flow or stagnant areas are prone to accelerated crevice and/or pitting corrosion. Therefore, inspections will be concentrated in the low flow and stagnant areas of the plant systems, rather than in areas of relatively high flow.

3.4 Acceptance Criteria and Scope Expansion Any indications of degradation or unacceptable conditions are evaluated through the Corrective Action Program (CAP). The need to increase the sample population will also be evaluated when indications or relevant conditions of degradation are found.

Degradation is defined as 10% wall loss or greater. This is based on the assumption that almost everything will have some minor corrosion after 30+ years of operation, but if it is less than 10% wall loss, it will not have an adverse impact on intended function of the component over the remaining life of that component through the period of extended operation. Therefore, this minor corrosion would not need to be addressed in the CAP.

Inspections will utilize ASME NDE techniques and qualified NDE technicians.

Recordable indications (as defined by ASME) or any type of cracking, would be considered unacceptable conditions, which would then be addressed via the CAP.

All OTI inspection results will be reviewed by the License Renewal Coordinator (or equivalent) to evaluate overall trends, and adverse trends would be entered into the CAP.

Whenever an inspection result is entered into the CAP, an extent of condition would be performed, which will include an evaluation for increasing the sample size within the particular material/environment combination.

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PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 14 of 18

4.0 REFERENCES

4.1 10 CFR Part 54, Requirements For Renewal Of Operating Licenses For Nuclear Power Plants.

4.2 NUREG-1800, Standard Review Plan For Review Of License Renewal Applications For Nuclear Power Plants, Revision 1, September 2005.

4.3 NUREG-1801, Volume 2, Generic Aging Lessons Learned (GALL) Report, Revision 1, September 2005.

4.4 EPRI, Aging Assessment Field Guide, 1007933, December 2003.

4.5 MNGP One Time Inspection Program Sampling Method, Revision 0, 2/9/06.

4.6 PBNP One-Time Inspection Program Sampling Methodology, Revision 1, September 29, 2006.

4.7 PINGP License Renewal Aging Management Program Basis Document LR-AMP-418, One-Time Inspection Program, Revision 2, 9/2/08.

Page 14 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 15 of 18 Table 1 Open Items TECHNICAL REPORT OPEN ITEMS Item Description Status LR AI No.

1 Create the PINGP One-Time Inspection Program Inspection Methods document described on page 3. Alternatively, incorporate elements c and d in this document and revise accordingly.

O 2

Finalize and include Attachment X discussed on page 5.

O 3

Finalize and provide Attachments listing all components in Sample Groups 2, 3, 4, and 5 (per Step 2).

O 4

Complete Step 3 for Sample Groups 2, 3, 4 and 5. Provide Material/Aging Effect/Aging Mechanism tables and determine sample size (based on material/environment) for each of these sample groups.

O 5

Revise format/layout for clarity. Section 3.0. Discussion should include Steps 1-4 (presently in Section 2.0). General Considerations (Section 3.3) should be presented earlier in the document.

O Page 15 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 16 of 18 Table 2 Revision Summary Revision Summary Revision Section Summary A

All New Document Page 16 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 17 of 18 Aging Effects / Mechanisms and Inspection Methods for One-Time Inspection Program Aging Effect Aging Mechanism Parameter Monitored Measurement Method Loss of Material Crevice Corrosion Wall Thickness Visual (VT-1) and/or Volumetric (RT or UT)

Loss of Material Galvanic Corrosion Wall Thickness Visual (VT-3) and/or Volumetric (RT or UT)

Loss of Material General Corrosion Wall Thickness Visual (VT-3) and/or Volumetric (RT or UT)

Loss of Material MIC Wall Thickness Visual (VT-3) and/or Volumetric (RT or UT)

Loss of Material Pitting Corrosion Wall Thickness Visual (VT-1) and/or Volumetric (RT or UT)

Loss of Heat Transfer Fouling Tube Fouling Visual (VT-3) or Enhanced VT-1 for CASS Cracking SCC Cracks Enhanced Visual (VT-1) and/or Volumetric (RT or UT)

Page 17 of 33

PRAIRIE ISLAND NUCLEAR GENERATING PLANT LR-TR-539 LICENSE RENEWAL TECHNICAL REPORT Revision A ONE-TIME INSPECTION PROGRAM SAMPLING METHODOLOGY 02/11/09 Page 18 of 18 Sample Group 1 - Fuel Oil (15 Pages)

Page 18 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO 17130 PI1 VALVE 121 DSL CLG WTR PMP OIL STG PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 17131 PI1 VALVE 122 DSL CLG WTR PMP OIL STG PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 17132 PI1 VALVE 121 DSL FIRE PMP OIL STG PMP DISCH PRESS TEST Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FO 17133 PI1 VALVE 121 DSL GEN OIL STG TNK PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 17134 PI1 VALVE 122 DSL GEN OIL STG TNK PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 17135 PI1 VALVE 123 DSL GEN OIL STG TNK PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 17136 PI1 VALVE 124 DSL GEN OIL STG TNK PMP DISCH PRESS TEST Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 045-271 PI1 PUMP 121 DSL GEN FOST XFER PMP Carbon Steel Fuel Oil Fuel Oil FO 045-272 PI1 PUMP 122 DSL GEN FOST XFER PMP Carbon Steel Fuel Oil Fuel Oil FO 045-273 PI1 PUMP 123 DSL GEN FOST XFER PMP Carbon Steel Fuel Oil Fuel Oil FO 045-274 PI1 PUMP 124 DSL GEN FOST XFER PMP Carbon Steel Fuel Oil Fuel Oil FO 045-291 PI0 PUMP 121 HTG BLR POSITIVE DISPLACEMENT OIL PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 045-292 PI0 PUMP 122 HTG BLR POSITIVE DISPLACEMENT OIL PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 045-301 PI1 PUMP 121 DSL CLG WTR PMP OIL STG TNK PMP Carbon Steel Fuel Oil Fuel Oil FO 045-302 PI1 PUMP 122 DSL CLG WTR PMP OIL STG TNK PMP Carbon Steel Fuel Oil Fuel Oil FO 045-581 PI1 PUMP 121 DSL FIRE PMP FO TNK SUBMERSIBLE PMP Carbon Steel Fuel Oil Fuel Oil DG 053-201 PI1 ACCUMU D1 DSL GEN FUEL OIL DAY TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 053-202 PI1 ACCUMU D2 DSL GEN FUEL OIL DAY TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 053-221 PI1 ACCUMU 121 DSL GEN OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-222 PI1 ACCUMU 122 DSL GEN OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-223 PI1 ACCUMU 123 DSL GEN OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-224 PI1 ACCUMU 124 DSL GEN OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-241 PI1 ACCUMU 121 DSL FIRE PMP OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-251 PI1 ACCUMU 121 CLG WTR PMP DSL OIL STG TNK Carbon Steel Fuel Oil Buried FO 053-252 PI1 ACCUMU 122 CLG WTR PMP DSL OIL STG TNK Carbon Steel Fuel Oil Buried DG 053-321 PI1 ACCUMU 12 DD CLG WTR PMP DSL OIL DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 053-322 PI2 ACCUMU 22 DD CLG WTR PMP DSL OIL DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 053-323 PI0 ACCUMU 122 DD FIRE PMP DSL OIL DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 069-131 PI1 FILTER BO121 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 069-131 LWPI1 VALVE 121 FO XFER FLTR SIGHT GLASS LOWER ISOLATION VALVE Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FO 069-131 UPPI1 VALVE 121 FO XFER FLTR SIGHT GLASS UPPER ISOLATION VALVE Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled DG 1DG-37 PI1 VALVE D1 DSL GEN DIRTY FUEL TANK DRAIN Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO 245-881 PI2 PUMP 21 D5 FO STG TNK XFER PMP Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 245-882 PI2 PUMP 22 D6 FO STG TNK XFER PMP Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 245-883 PI2 PUMP 23 D5 FO STG TNK XFER PMP Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 245-884 PI2 PUMP 24 D6 FO STG TNK XFER PMP Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 245-891 PI2 PUMP 21 D5/D6 FO RCVG TNK RECIRC PMP Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled DG 245-901 PI2 PUMP D5 ENG 1 ENG DRVN FO PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 1 of 15 Page 19 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG 245-902 PI2 PUMP D5 ENG 2 ENG DRVN FO PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-903 PI2 PUMP D6 ENG 1 ENG DRVN FO PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-904 PI2 PUMP D6 ENG 2 ENG DRVN FO PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-911 PI2 PUMP D5 ENG 1 FO BACKUP PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-912 PI2 PUMP D5 ENG 2 FO BACKUP PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-913 PI2 PUMP D6 ENG 1 FO BACKUP PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 245-914 PI2 PUMP D6 ENG 2 FO BACKUP PUMP Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 253-331 PI2 ACCUMU 21 D5 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 253-332 PI2 ACCUMU 22 D6 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 253-333 PI2 ACCUMU 23 D5 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 253-334 PI2 ACCUMU 24 D6 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 253-341 PI2 ACCUMU 21 D5/D6 FO RCVG TNK Carbon Steel Fuel Oil Outdoor Air - Not Sheltered DG 253-361 PI2 ACCUMU 21 D5 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 253-362 PI2 ACCUMU 22 D6 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 253-371 PI2 ACCUMU D5 ENG 1 LEAKAGE TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 253-372 PI2 ACCUMU D5 ENG 2 LEAKAGE TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 253-373 PI2 ACCUMU D6 ENG 1 LEAKAGE TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 253-374 PI2 ACCUMU D6 ENG 2 LEAKAGE TANK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 258-041 PI2 FILTER BO21 D5 FO STG TNK XFER PMP STRNR Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 258-042 PI2 FILTER BO22 D6 FO STG TNK XFER PMP STRNR Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 258-043 PI2 FILTER BO23 D5 FO STG TNK XFER PMP STRNR Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 258-044 PI2 FILTER BO24 D6 FO STG TNK XFER PMP STRNR Cast Iron Fuel Oil Plant Indoor Air - Uncontrolled FO 269-321 PI2 FILTER BO21 D5 DSL GEN FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 269-322 PI2 FILTER BO22 D6 DSL GEN FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 269-323 PI2 FILTER BO23 D5 DSL GEN FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 269-324 PI2 FILTER BO24 D6 DSL GEN FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2DG-37 PI1 VALVE D2 DSL GEN DIRTY FUEL TANK DRAIN Bronze Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-13-14 PI2 VALVE 21 D5 FO DAY TANK 2LSH-5013 LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-13-16 PI2 VALVE 21 D5 FO DAY TANK 2LSL-5012 LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-13-18 PI2 VALVE 22 D6 FO DAY TANK 2LSH-6013 LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-13-20 PI2 VALVE 22 D6 FO DAY TANK 2LSL-6012 LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-44 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-45 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP DISCH LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-46 PI2 VALVE D5 ENG 1 FO INJ HDR INLET LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-47 PI2 VALVE D5 ENG 1 FO BACKUP PUMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-48 PI2 VALVE D5 ENG 1 FO DAY TANK RETURN LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-49 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-50 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP DISCH LINE DRIAN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 2 of 15 Page 20 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG 2EG-1-51 PI2 VALVE D5 ENG 2 FO INJ HDR INLET LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-52 PI2 VALVE D5 ENG 2 FO BACKUP PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-53 PI2 VALVE D5 ENG 2 FO DAY TANK RETURN LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-55 PI2 VALVE 21 D5 FO DAY TANK LEVEL COLUMN DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-56 PI2 VALVE D5 ENG 2 FO INJ HDR INLET LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-57 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-58 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP DISCH LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-59 PI2 VALVE D6 ENG 1 FO INJ HDR INLET LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-60 PI2 VALVE D6 ENG 1 FO BACKUP PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-61 PI2 VALVE D6 ENG 1 FO DAY TANK RETURN LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-62 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-29 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP SUCT 2PT-5100 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-63 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP DISCH LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-30 PI2 VALVE D5 ENG 1 FO INLET 2PSL-5105 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-31 PI2 VALVE D5 ENG 1 AUX DESK DPLX FLTR INLT 2PDSH-5103 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-32 PI2 VALVE D5 ENG 1 AUX DESK DPLX FLTR OUTL 2PDSH-5103 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-33 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP SUCT 2PT-5600 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-34 PI2 VALVE D5 ENG 2 FO INLET 2PSL-5605 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-35 PI2 VALVE D5 ENG 2 AUX DESK DPLX FLTR INLT 2PDSH-5603 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-36 PI2 VALVE D5 ENG 2 AUX DESK DPLX FLTR OUTL 2PDSH-5603 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-37 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP SUCT 2PT-6100 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-38 PI2 VALVE D6 ENG 1 FO INLET 2PSL-6105 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-39 PI2 VALVE D6 ENG 1 AUX DESK DPLX FLTR INLT 2PDSH-6103 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-64 PI2 VALVE D6 ENG 2 FO INJ HDR INLET LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-40 PI2 VALVE D6 ENG 1 AUX DESK DPLX FLTR OUTL 2PDSH-6103 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-41 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP SUCT 2PT-6600 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-42 PI2 VALVE D6 ENG 2 FO INLET 2PSL-6605 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-43 PI2 VALVE D6 ENG 2 AUX DESK DPLX FLTR INLT 2PDSH-6603 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-16-44 PI2 VALVE D6 ENG 2 AUX DESK DPLX FLTR OUTL 2PDSH-6603 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-65 PI2 VALVE D6 ENG 2 FO BACKUP PMP SUCT LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-66 PI2 VALVE D6 ENG 2 FO DAY TANK RETURN LINE DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-1-68 PI2 VALVE 22 D6 FO DAY TANK LEVEL COLUMN DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-18-5 PI2 VALVE 21 D5 FO DAY TANK 2LT-5011 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-18-6 PI2 VALVE 22 D6 FO DAY TANK 2LT-6011 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-21 PI2 VALVE D5 ENG 1 FO BACKUP PMP SUCT 2PT-5101 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-22 PI2 VALVE D5 ENG 1 FO PMPS DISCH 2PT-5102 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-23 PI2 VALVE D5 ENG 1 FO INLET 2PT-5104 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-24 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP SUCT 2PT-5100 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 3 of 15 Page 21 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG 2EG-19-25 PI2 VALVE D5 ENG 2 FO BACKUP PMP SUCT 2PT-5601 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-26 PI2 VALVE D5 ENG 2 FO PMPS DISCH 2PT-5602 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-27 PI2 VALVE D5 ENG 2 FO INLET 2PT-5604 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-28 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP SUCT 2PT-5600 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-29 PI2 VALVE D6 ENG 1 FO BACKUP PMP SUCT 2PT-6101 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-30 PI2 VALVE D6 ENG 1 FO PMPS DISCH 2PT-6102 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-31 PI2 VALVE D6 ENG 1 FO INLET 2PT-6104 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-32 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP SUCT 2PT-6100 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-33 PI2 VALVE D6 ENG 2 FO BACKUP PMP SUCT 2PT-6601 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-34 PI2 VALVE D6 ENG 2 FO PMPS DISCH 2PT-6602 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-35 PI2 VALVE D6 ENG 2 FO INLET 2PT-6604 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-19-36 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP SUCT 2PT-6600 ISOL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-21-1 PI2 VALVE D5 ENG 1 FO INJ HDR EXCESS FLOW RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-21-2 PI2 VALVE D5 ENG 2 FO INJ HDR EXCESS FLOW RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-21-3 PI2 VALVE D6 ENG 1 FO INJ HEADER EXCESS FLOW RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-21-4 PI2 VALVE D6 ENG 2 FO INJ HEADER EXCESS FLOW RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-22-1 PI2 VALVE D5 ENG 1 FO BACKUP PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-22-2 PI2 VALVE D5 ENG 2 FO BACKUP PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-22-3 PI2 VALVE D6 ENG 1 FO BACKUP PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-22-4 PI2 VALVE D6 ENG 2 FO BACKUP PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-1 PI2 VALVE D5 ENG 1 FO BACKUP PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-2 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-3 PI2 VALVE D5 ENG 2 FO BACKUP PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-4 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-5 PI2 VALVE D6 ENG 1 FO BACKUP PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-6 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-7 PI2 VALVE D6 ENG 2 FO BACKUP PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-23-8 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-24-1 PI2 VALVE D5 ENG 1 FO BACKUP PMP DISCH LINE RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-24-2 PI2 VALVE D5 ENG 2 FO BACKUP PMP DISCH LINE RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-24-3 PI2 VALVE D6 ENG 1 FO BACKUP PMP DISCH LINE RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-24-4 PI2 VALVE D6 ENG 2 FO BACKUP PMP DISCH LINE RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-25-1 PI2 VALVE D5 ENG 1 AUX DESK DPLX FLTR INLET RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-25-2 PI2 VALVE D5 ENG 2 AUX DESK DPLX FLTR INLET RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-25-3 PI2 VALVE D6 ENG 1 AUX DESK DPLX FLTR INLET RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-25-4 PI2 VALVE D6 ENG 2 AUX DESK DPLX FLTR INLET RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-49-1 PI2 VALVE D5 ENG 1 ENG DRVN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-49-2 PI2 VALVE D5 ENG 2 ENG DRVN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 4 of 15 Page 22 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG 2EG-49-3 PI2 VALVE D6 ENG 1 ENG DRVN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-49-4 PI2 VALVE D6 ENG 2 ENG DRVN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-1 PI2 VALVE D5 ENG 1 FO DUPLEX FILTER INLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-2 PI2 VALVE D5 ENG 1 FO DUPLEX FILTER OUTLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-3 PI2 VALVE D5 ENG 2 FO DUPLEX FILTER INLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-4 PI2 VALVE D5 ENG 2 DUPLEX FILTER OUTLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-5 PI2 VALVE D6 ENG 1 FO DUPLEX FILTER INLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-6 PI2 VALVE D6 ENG 1 FO DUPLEX FILTER OUTLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-7 PI2 VALVE D6 ENG 2 FO DUPLEX FILTER INLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-50-8 PI2 VALVE D6 ENG 2 FO DUPLEX FILTER OUTLET 3-WAY Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-7-11 PI2 VALVE 21 D5 FO DAY TANK LVL COL LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-7-13 PI2 VALVE 22 D6 FO DAY TANK LVL COL LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-1 PI2 VALVE D5 ENG 1 FO INJR A1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-10 PI2 VALVE D5 ENG 1 FO INJR B2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-11 PI2 VALVE D5 ENG 1 FO INJR B3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-12 PI2 VALVE D5 ENG 1 FO INJR B4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-13 PI2 VALVE D5 ENG 1 FO INJR B5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-14 PI2 VALVE D5 ENG 1 FO INJR B6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-15 PI2 VALVE D5 ENG 1 FO INJR B7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-16 PI2 VALVE D5 ENG 1 FO INJR B8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-17 PI2 VALVE D5 ENG 2 FO INJR A1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-18 PI2 VALVE D5 ENG 2 FO INJR A2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-19 PI2 VALVE D5 ENG 2 FO INJR A3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-2 PI2 VALVE D5 ENG 1 FO INJR A2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-20 PI2 VALVE D5 ENG 2 FO INJR A4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-21 PI2 VALVE D5 ENG 2 FO INJR A5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-22 PI2 VALVE D5 ENG 2 FO INJR A6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-23 PI2 VALVE D5 ENG 2 FO INJR A7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-24 PI2 VALVE D5 ENG 2 FO INJR A8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-25 PI2 VALVE D5 ENG 2 FO INJR B1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-26 PI2 VALVE D5 ENG 2 FO INJR B2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-27 PI2 VALVE D5 ENG 2 FO INJR B3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-28 PI2 VALVE D5 ENG 2 FO INJR B4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-29 PI2 VALVE D5 ENG 2 FO INJR B5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-3 PI2 VALVE D5 ENG 1 FO INJR A3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-30 PI2 VALVE D5 ENG 2 FO INJR B6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-31 PI2 VALVE D5 ENG 2 FO INJR B7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-32 PI2 VALVE D5 ENG 2 FO INJR B8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 5 of 15 Page 23 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG 2EG-9-33 PI2 VALVE D6 ENG 1 FO INJR A1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-34 PI2 VALVE D6 ENG 1 FO INJR A2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-35 PI2 VALVE D6 ENG 1 FO INJR A3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-36 PI2 VALVE D6 ENG 1 FO INJR A4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-37 PI2 VALVE D6 ENG 1 FO INJR A5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-38 PI2 VALVE D6 ENG 1 FO INJR A6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-39 PI2 VALVE D6 ENG 1 FO INJR A7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-4 PI2 VALVE D5 ENG 1 FO INJR A4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-40 PI2 VALVE D6 ENG 1 FO INJR A8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-41 PI2 VALVE D6 ENG 1 FO INJR B1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-42 PI2 VALVE D6 ENG 1 FO INJR B2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-43 PI2 VALVE D6 ENG 1 FO INJR B3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-44 PI2 VALVE D6 ENG 1 FO INJR B4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-45 PI2 VALVE D6 ENG 1 FO INJR B5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-46 PI2 VALVE D6 ENG 1 FO INJR B6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-47 PI2 VALVE D6 ENG 1 FO INJR B7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-48 PI2 VALVE D6 ENG 1 FO INJR B8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-49 PI2 VALVE D6 ENG 2 FO INJR A1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-5 PI2 VALVE D5 ENG 1 FO INJR A5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-50 PI2 VALVE D6 ENG 2 FO INJR A2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-51 PI2 VALVE D6 ENG 2 FO INJR A3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-52 PI2 VALVE D6 ENG 2 FO INJR A4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-53 PI2 VALVE D6 ENG 2 FO INJR A5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-54 PI2 VALVE D6 ENG 2 FO INJR A6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-55 PI2 VALVE D6 ENG 2 FO INJR A7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-56 PI2 VALVE D6 ENG 2 FO INJR A8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-57 PI2 VALVE D6 ENG 2 FO INJR B1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-58 PI2 VALVE D6 ENG 2 FO INJR B2 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-59 PI2 VALVE D6 ENG 2 FO INJR B3 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-6 PI2 VALVE D5 ENG 1 FO INJR A6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-60 PI2 VALVE D6 ENG 2 FO INJR B4 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-61 PI2 VALVE D6 ENG 2 FO INJR B5 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-62 PI2 VALVE D6 ENG 2 FO INJR B6 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-63 PI2 VALVE D6 ENG 2 FO INJR B7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-64 PI2 VALVE D6 ENG 2 FO INJR B8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-7 PI2 VALVE D5 ENG 1 FO INJR A7 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-8 PI2 VALVE D5 ENG 1 FO INJR A8 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG 2EG-9-9 PI2 VALVE D5 ENG 1 FO INJR B1 Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 6 of 15 Page 24 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO 2FO-10-1 PI2 VALVE 21 D5 DSL GEN FO XFER FLTR LWR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-10 PI2 VALVE 24 D6 DSL GEN FO XFER FLTR UPPR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-2 PI2 VALVE 21 D5 DSL GEN FO XFER FLTR UPPR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-3 PI2 VALVE 21 D5/D6 FO RECIRC FLTR LWR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-4 PI2 VALVE 21 D5/D6 FO RECIRC FLTR UPR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-5 PI2 VALVE 22 D6 DSL GEN FO XFER FLTR LWR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-6 PI2 VALVE 22 D6 DSL GEN FO XFER FLTR UPPR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-7 PI2 VALVE 23 D5 DSL GEN FO XFER FLTR LWR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-8 PI2 VALVE 23 D5 DSL GEN FO XFER FLTR UPPR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-10-9 PI2 VALVE 24 D6 DSL GEN FO XFER FLTR LWR DRN Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-1 PI2 VALVE 21 D5 FO DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-10 PI2 VALVE 23 D5 FO STG TNK XFER PMP DISCH SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-11 PI2 VALVE 21 D5/D6 FO RECIRC FLTR INLT SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-11-1 PI2 VALVE 21 D5 DSL GEN FO XFER FLTR VENT Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-11-2 PI2 VALVE 21 D5/D6 FO RECIRC FLTR VENT Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-11-3 PI2 VALVE 22 D6 DSL GEN FO XFER FLTR VENT Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-11-4 PI2 VALVE 23 D5 DSL GEN FO XFER FLTR VENT Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-11-5 PI2 VALVE 24 D6 DSL GEN FO XFER FLTR VENT Brass Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-2 PI2 VALVE 21/23 D5 FO STG TNK XFER PMPS DISCH HDR SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-3 PI2 VALVE 22 D6 FO DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-4 PI2 VALVE 22/24 D6 FO STG TNK XFER PMPS DISCH HDR SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-5 PI2 VALVE 21 D5 FO STG TNK XFER PMP DISCH SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-6 PI2 VALVE 21/23 D5 FO STG TNK XFER PMPS SUCT XTIE VENT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-7 PI2 VALVE 22/24 D6 FO STG TNK XFER PMPS SUCT XTIE VENT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-8 PI2 VALVE 24 D6 FO STG TNK XFER PMP DISCH SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-1-9 PI2 VALVE 22 D6 FO STG TNK XFER PMP DISCH SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-2-1 PI2 VALVE 21 D5/D6 FO RCVG TNK RECIRC PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-2-2 PI2 VALVE 21 D5 FO STG TNK XFER PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-2-3 PI2 VALVE 23 D5 FO STG TNK XFER PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-2-4 PI2 VALVE 24 D6 FO STG TNK XFER PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-2-5 PI2 VALVE 22 D6 FO STG TNK XFER PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-1 PI2 VALVE 21/23 D5 FO XFER FLTR TO 21 D5 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-10 PI2 VALVE 22 D6 FO STG TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-11 PI2 VALVE 24 D6 FO STG TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-12 PI2 VALVE 21 D5 FO DAY TNK OVERFLOW TO 23 D5 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-13 PI2 VALVE 22 D6 FO DAY TNK OVERFLOW TO 22 D6 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-14 PI2 VALVE 21 D5 FO DAY TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-15 PI2 VALVE 22 D6 FO DAY TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 7 of 15 Page 25 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO 2FO-3-16 PI2 VALVE 21 D5 FO STG TNK XFER PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-17 PI2 VALVE 21 D5 FO XFER PMP DISCH TO 21 D5 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-18 PI2 VALVE 23 D5 FO STG TNK XFER PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-19 PI2 VALVE 23 D5 FO XFER PMP DISCH TO 21 D5 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-2 PI2 VALVE D5/D6 FO STG TNK XFER PMPS DISCH TO FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-20 PI2 VALVE 21 D5 FO XFER PMP DISCH TO 21/23 D5 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-21 PI2 VALVE 23 D5 FO XFER PMP DISCH TO 21/23 D5 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-22 PI2 VALVE 21 D5 FO XFER FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-23 PI2 VALVE 21 D5 FO XFER FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-24 PI2 VALVE 21/23 D5 FO XFER FLTRS DISCH TO D5/D6 FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-25 PI2 VALVE 23 D5 FO XFER FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-26 PI2 VALVE 23 D5 FO XFER FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-27 PI2 VALVE 21 D5 FO DAY TNK OVERFLOW TO 21 D5 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-28 PI2 VALVE 21 D5/D6 FO RCVG TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-29 PI2 VALVE 24 D6 FO STG TNK XFER PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-3 PI2 VALVE 21 D5/D6 FO RECIRC FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-30 PI2 VALVE 24 D6 FO STG TNK XFER PMP TO 22 D6 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-31 PI2 VALVE 22 D6 FO STG TNK XFER PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-32 PI2 VALVE 22 D6 FO STG TNK XFER PMP TO 22 D6 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-33 PI2 VALVE 22 D6 FO XFER PMP DISCH TO 22/24 D6 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-34 PI2 VALVE 22 D6 FO XFER FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-35 PI2 VALVE 22 D6 FO XFER FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-36 PI2 VALVE 24 D6 FO XFER FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-37 PI2 VALVE 24 D6 FO XFER FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-38 PI2 VALVE 22/24 D6 FO XFER FLTRS TO 22 D6 FO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-39 PI2 VALVE 22/24 D6 FO XFER FLTRS DISCH TO FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-4 PI2 VALVE 21 D5/D6 FO RECIRC FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-40 PI2 VALVE 21 D5 FO DAY TNK DRN TO FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-41 PI2 VALVE 22 D6 FO DAY TNK DRN TO FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-5 PI2 VALVE 22 D6 FO DAY TNK OVERFLOW TO 24 D6 FO STG TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-6 PI2 VALVE 24 D6 FO XFER PMP DISCH TO 22/24 D6 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-8 PI2 VALVE 23 D5 FO STG TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-3-9 PI2 VALVE 21 D5 FO STG TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-1 PI2 VALVE 21 D5 FO STG TNK TO 21 D5 FO XFER PMP SUCT HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-10 PI2 VALVE 22 D6 FO STG TNK XFER PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-11 PI2 VALVE 21 D5/D6 FO RCVG TNK TO FO STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-12 PI2 VALVE 21 D5/D6 FO RCVG TNK RECIRC PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-13 PI2 VALVE D5/D6 FO STG TNKS INLT HDR ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 8 of 15 Page 26 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO 2FO-4-14 PI2 VALVE D5/D6 FO STG TNKS EMERG FILL CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-15 PI2 VALVE 21 D5 FO STG TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-16 PI2 VALVE 23 D5 FO STG TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-17 PI2 VALVE 24 D6 FO STG TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-18 PI2 VALVE 22 D6 FO STG TNK INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-19 PI2 VALVE 24 D6 FO STG TNK TO 24 D6 FO XFER PMP SUCT HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-2 PI2 VALVE 21 D5 FO STG TNK XFER PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-3 PI2 VALVE 21/23 D5 FO STG TNK XFER PMPS SUCT XTIE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-4 PI2 VALVE 23 D5 FO STG TNK XFER PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-5 PI2 VALVE 23 D5 FO STG TNK TO 23 D5 FO XFER PMP SUCT HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-6 PI2 VALVE 21 D5/D6 FO RCVG TNK OUTL Carbon Steel Fuel Oil Outdoor Air - Not Sheltered FO 2FO-4-7 PI2 VALVE 22 D6 FO STG TNK TO 22 D6 FO XFER PMP SUCT HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-8 PI2 VALVE 22/24 D6 FO STG TNK XFER PMPS SUCT XTIE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-4-9 PI2 VALVE 24 D6 FO STG TNK XFER PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-1 PI2 VALVE 21 D5 FO STG TNK XFER PMP DISCH 2PI-5003 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-10 PI2 VALVE 21/23 D5 FO XFER FLTRS INLT 2PDSH-5007 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-11 PI2 VALVE 21/23 D5 FO XFER FLTRS OUTL 2PDSH-5007 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-12 PI2 VALVE 22/24 D6 FO XFER FLTRS INLT 2PDSH-6007 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-13 PI2 VALVE 22/24 D6 FO XFER FLTRS OUTL 2PDSH-6007 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-14 PI2 VALVE 21 D5/D6 FO RECIRC FLTR INLT 2PDSH-6026 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-15 PI2 VALVE 21 D5/D6 FO RECIRC FLTR OUTL 2PDSH-6026 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-16 PI2 VALVE 21 FO RCVG TNK RECIRC PMP 2PDSL-6028 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-17 PI2 VALVE 21 D5 FO XFER PUMP SUCT STRNR 2PDSH-5004 INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-18 PI2 VALVE 21 D5 FO XFER PUMP SUCT STRNR 2PDSH-5004 OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-19 PI2 VALVE 23 D5 FO XFER PUMP SUCT STRNR 2PDSH-5006 INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-2 PI2 VALVE 23 D5 FO STG TNK XFER PMP DISCH 2PI-5005 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-20 PI2 VALVE 23 D5 FO XFER PUMP SUCT STRNR 2PDSH-5006 OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-21 PI2 VALVE 22 D6 FO XFER PUMP SUCT STRNR 2PDSH-6004 INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-22 PI2 VALVE 22 D6 FO XFER PUMP SUCT STRNR 2PDSH-6004 OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-23 PI2 VALVE 24 D6 FO XFER PUMP SUCT STRNR 2PDSH-6006 INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-24 PI2 VALVE 24 D6 FO XFER PUMP SUCT STRNR 2PDSH-6006 OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-25 PI2 VALVE 21 D5 FO XFER PUMP SUCT 2PI-5008 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-26 PI2 VALVE 23 D5 FO XFER PUMP SUCT 2PI-5009 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-27 PI2 VALVE 22 D6 FO XFER PUMP SUCT 2PI-6008 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-28 PI2 VALVE 24 D6 FO XFER PUMP SUCT 2PI-6009 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-3 PI2 VALVE 22 D6 FO STG TNK XFER PMP DISCH 2PI-6003 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-4 PI2 VALVE 24 D6 FO STG TNK XFER PMP DISCH 2PI-6005 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-5 PI2 VALVE 21 FO RCVG TNK RECIRC PMP 2PDSL-6028/PI-6027 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 9 of 15 Page 27 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO 2FO-8-6 PI2 VALVE 21 D5 FO STG TNK 2LT-5001 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-7 PI2 VALVE 23 D5 FO STG TNK 2LT-5002 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-8 PI2 VALVE 22 D6 FO STG TNK 2LT-6001 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-8-9 PI2 VALVE 24 D6 FO STG TNK 2LT-6002 ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO 2FO-9-1 PI2 VALVE 21 D5/D6 FO RCVG TNK FILL LINE SAMPLE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-FILTERPI0 FILTER BODG FUEL OIL FILTERS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-MANIFPI0 MANIFOLDDG SS MANIFOLDS IN FUEL OIL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-PIPES-PI0 PIPE DG FUEL OIL CARBON STEEL PIPING Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-PIPES-PI0 PIPE DG STAINLESS STEEL PIPING IN FUEL OIL Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-PUMPSPI1 PUMP FUEL OIL PUMPS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-TANK-PI0 ACCUMU DG FUEL OIL TANKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-TUBIN PI0 PIPE DG COPPER TUBING IN FUEL OIL Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled DG DG-TUBIN PI0 PIPE DG FUEL OIL TUBING Stainless Steel Fuel Oil Plant Indoor Air - Uncontrolled DG DG-VALVEPI0 VALVE DG SYSTEM BRASS VALVES IN F.O.

Brass Fuel Oil Plant Indoor Air - Uncontrolled FO FO-10-1 PI1 VALVE 121 DSL FIRE PMP OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-10-2 PI1 VALVE 121 DSL FIRE PMP OIL STG TNK PMP TO DAY TANK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-10-3 PI1 VALVE 122 DSL FIRE PMP DAY TNK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-103-6 PI1 VALVE 121 DSL FIRE PMP OIL STG PMP PRESS TAP 17132 ROOT Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-1 PI1 VALVE 121 DSL GEN OIL STG TNK PMP DISCH PI 11461 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-13 PI1 VALVE 12 DD CLG WTR PMP FO DAY TNK LI 18318 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-14 PI1 VALVE 22 DD CLG WTR PMP FO DAY TNK LI 18319 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-113-16 PI1 VALVE D1 FUEL OIL DAY TANK LEVEL ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-113-17 PI1 VALVE D2 FUEL OIL DAY TANK LEVEL ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-2 PI1 VALVE 122 DSL GEN OIL STG TNK PMP DISCH PI 11462 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-3 PI1 VALVE 123 DSL GEN OIL STG TNK PMP DISCH PI 11463 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-4 PI1 VALVE 124 DSL GEN OIL STG TNK PMP DISCH PI 11464 ROOT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-7 PI1 VALVE 121 DDCLP OIL STG PMP DISCH PRESS TAP 17130 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-113-8 PI1 VALVE 122 DDCLP OIL STG PMP DISCH PRESS TAP 17131 ROOT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-1 PI1 VALVE 121 DSL FIRE PMP OIL STG TNK PMP XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-10 PI1 VALVE NORM FILL TO DSL GEN/CLG WTR/FIRE PMP OIL STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-2 PI1 VALVE 121 DSL CLG WTR OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-3 PI1 VALVE 121 DSL CLG WTR OIL STG TNK PMP XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-4 PI1 VALVE 122 DSL CLG WTR OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-5 PI1 VALVE 122 DSL CLG WTR OIL STG TNK PMP XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-6 PI1 VALVE DSL GEN/CLG WTR/FIRE PMP OST PMP TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-7 PI1 VALVE XFER HDR TO DSL GEN OIL STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-8 PI1 VALVE NORM FILL TO DSL CLG WTR & FIRE PMP OIL STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-12-9 PI1 VALVE NORM FILL TO DSL GEN OIL STG TNKS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 10 of 15 Page 28 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO FO-13-1 PI1 VALVE 121 DSL CLG WTR OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-2 PI1 VALVE 122 EMERG CLG WTR OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-3 PI1 VALVE 121 DSL FIRE PMP OST PMP DISCH TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-4 PI1 VALVE 121 DSL CLG WTR OST PMP DISCH TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-5 PI1 VALVE 122 DSL CLG WTR OST PMP DISCH TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-6 PI1 VALVE 121 DSL CLG WTR OIL STG TNK PMP TO DAY TNK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-13-7 PI1 VALVE 122 DSL CLG WTR OIL STG TNK PMP TO DAY TNK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-13-8 PI1 VALVE 12 DSL CLG WTR PMP DAY TNK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-13-9 PI1 VALVE 22 DSL CLG WTR PMP DAY TNK FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-14-1 PI1 VALVE 12 DSL CLG WTR PMPS OIL DAY TNK OVERFLOW CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-14-2 PI1 VALVE 22 DSL CLG WTR PMPS OIL DAY TNK OVERFLOW CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-14-3 PI1 VALVE 122 DSL FIRE PMP OIL DAY TNK OVERFLOW CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-15-1 PI1 VALVE FO SPLY TO PORTABLE HTG BLR PACKAGE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-16-1 PI1 VALVE FO SPLY TO ATOMIZING GUN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-17-1 PI1 VALVE FO FILL LINE AT XFER HOUSE CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-18-2 PI1 VALVE FUTURE CONN TO FO XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-19-1 PI1 VALVE 122 DSL CLG WTR OIL STG TNK PMP DISCH LINE SMPL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-19-2 PI1 VALVE 121/122 HTG BLR OST PMPS DISCH TO XFER HDR SMPL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-1 PI1 VALVE 121/122 DSL GEN OIL STG TNK PMPS TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-10 PI1 VALVE 121 DSL GEN OIL STG TNK PMP TO D1 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-11 PI1 VALVE 121 DSL GEN OIL STG TNK PMP TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-21-1 PI1 VALVE 12 & 22 DSL CLG WTR PMPS DAY TNKS X-CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-12 PI1 VALVE 121 DSL GEN OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-21-2 PI1 VALVE 12 & 22 DSL CLG WTR PMPS DAY TNKS X-CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-13 PI1 VALVE 122 DSL GEN OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-21-3 PI1 VALVE 12 DSL CLG WTR PMP DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-14 PI1 VALVE 123 DSL GEN OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-21-4 PI1 VALVE 22 DSL CLG WTR PMP DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-15 PI1 VALVE 124 DSL GEN OIL STG TNK PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-21-5 PI1 VALVE 121/122 HTG BLR OIL STG TNK PMPS DISCH TO XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-21-6 PI1 VALVE D2 DSL GEN DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-21-7 PI1 VALVE D1 DSL GEN DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-2 PI1 VALVE 124 DSL GEN OIL STG TNK PMP TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-22-1 PI1 VALVE 12 DSL CLG WTR PMP DAY TNK OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-22-2 PI1 VALVE 22 DSL CLG WTR PMP DAY TNK OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-3 PI1 VALVE 124 DSL GEN OIL STG TNK PMP TO D2 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-23-1 PI1 VALVE 121 DSL CLG WTR OIL STG TNK PMP DISCH LINE SMPL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-23-2 PI1 VALVE 121 DSL FIRE PMP OIL STG TNK PMP DISCH LINE SMPL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 11 of 15 Page 29 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG FO-23-3 PI1 VALVE D1 DSL GEN CLEAN FUEL RTRN TO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-23-4 PI1 VALVE D2 DSL GEN CLEAN FUEL RTRN TO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-4 PI1 VALVE 123 DSL GEN OIL STG TNK PMP TO D2 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-24-1 PI1 VALVE 121 HTG BLR POS DISPL PMP RELIEF Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-24-2 PI1 VALVE 122 HTG BLR POS DISPL PMP RELIEF Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-5 PI1 VALVE 123 DSL GEN OIL STG TNK PMP TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-25-1 PI1 VALVE 121 HTG BLR STG TNK SUBMERSIBLE PMP DISCH RELIEF Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-6 PI1 VALVE 123&124 DSL GEN OIL STG TNK TO FUTURE D3 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-26-1 PI1 VALVE 121&122 HTG BLR OST PMP DISCH TO BSTR PMPS Brass Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-7 PI1 VALVE 121&122 DSL GEN OIL STG TNK TO FUTURE D3 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-27-1 PI1 VALVE 121 OR 122 HTG BLR OIL STG TNK RTRN 3-WAY VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-8 PI1 VALVE 122 DSL GEN OIL STG TNK PMP TO/FROM XFER HDR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-28-1 PI1 VALVE 121 HTG BLR POS DISPL OIL PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-28-2 PI1 VALVE 122 HTG BLR POS DISPL OIL PMP DISCH Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-2-9 PI1 VALVE 122 DSL GEN OIL STG TNK PMP TO D1 DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-29-1 PI1 VALVE 121 HTG BLR POS DISPL OIL PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-29-2 PI1 VALVE 122 HTG BLR POS DISPL OIL PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-30-1 PI1 VALVE 121 HTG BLR POS DISPL PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-30-2 PI1 VALVE 122 HTG BLR POS DISPL PMP DISCH CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-3-1 PI1 VALVE 121 DSL GEN OIL STG TNK XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-2 PI1 VALVE 121 DSL GEN OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-32-1 PI1 VALVE D1 DSL GEN EQUALIZING LINE FROM EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-32-2 PI1 VALVE D1 DSL GEN EQUALIZING LINE FROM EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-32-3 PI1 VALVE D2 DSL GEN EQUALIZING LINE FROM EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-32-4 PI1 VALVE D2 DSL GEN EQUALIZING LINE FROM EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-3 PI1 VALVE 122 DSL GEN OIL STG TNK XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-33-1 PI1 VALVE D1 DSL GEN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-33-2 PI1 VALVE D2 DSL GEN FO PMP SUCT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-33-3 PI1 VALVE D1 DSL GEN FO PRESS RTRN TO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-33-4 PI1 VALVE D2 DSL GEN FO PRESS RTRN TO DAY TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-33-5 PI1 VALVE 122 DSL FIRE PMP DAY TNK DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-4 PI1 VALVE 122 DSL GEN OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-5 PI1 VALVE 123 DSL GEN OIL STG TNK XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-35-1 PI1 VALVE 121 FO XFER FLTR VENT Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-6 PI1 VALVE 123 DSL GEN OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-36-1 PI1 VALVE 121 FO XFER FLTR RELIEF Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FO FO-3-7 PI1 VALVE 124 DSL GEN OIL STG TNK XFER LINE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-37-1 PI1 VALVE 121 FO XFER FLTR DRN Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 12 of 15 Page 30 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

FO FO-3-8 PI1 VALVE 124 DSL GEN OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-38-1 PI1 VALVE 121 HTG BLR FO SPLY RELIEF Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-39-1 PI1 VALVE 121 HTG BLR FO SPLY CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-40-1 PI1 VALVE 121/122 HTG BLR BSTR OIL PMP DISCH DPLX STRNR DRN Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-40-2 PI1 VALVE 121/122 HTG BLR BSTR OIL PMP DISCH DPLX STRNR DRN Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-40-3 PI1 VALVE 121 HTG BLR BSTR OIL PMP SUCT STRNR DRN Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-40-4 PI1 VALVE 122 HTG BLR BSTR OIL PMP SUCT STRNR DRN Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO FO-4-1 PI1 VALVE 124 DSL GEN OIL STG TNK PMP DISCH LINE SAMPLE CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-41-1 PI1 VALVE FO SPLY TO HTG BLR PRESS REG VALVE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-4-2 PI1 VALVE 123 DSL GEN OIL STG TNK PMP DISCH LINE SAMPLE CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-42-1 PI1 VALVE FO XFER FLTR GAGE GLASS DRN Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FO FO-4-3 PI1 VALVE 122 DSL GEN OIL STG TNK PMP DISCH LINE SAMPLE CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-43-1 PI1 VALVE FO SPLY TO HTG BLR PRESS REG VALVE Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-4-4 PI1 VALVE 121 DSL GEN OIL STG TNK PMP DISCH LINE SAMPLE CONN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-44-1 PI1 VALVE D1 DSL GEN TO D1 EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-44-2 PI1 VALVE D2 DSL GEN TO D2 EXPN TNK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-6-1 PI1 VALVE D1 DSL GEN FO DAY TNK DRAIN CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG FO-6-2 PI1 VALVE D2 DSL GEN FO DAY TNK DRAIN CHECK Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-1 PI1 VALVE DSL FIRE PMP & CLG WTR OIL STG TNKS SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-2 PI1 VALVE 121/122 HTG BLR OIL STG TNKS FILL LINE ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-3 PI1 VALVE DSL FIRE PMP/CLG WTR/HTG BLR OSTS NORM FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-4 PI1 VALVE 121 FO XFER FLTR INLT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-5 PI1 VALVE 121 FO XFER FLTR OUTL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-7-6 PI1 VALVE 121-124 DSL GEN OIL STG TNKS SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-8-1 PI1 VALVE 121 DSL FIRE PMP OIL STG TNK RTRN & SFGD FILL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-9-1 PI1 VALVE 121 FO XFER FLTR B-P Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-9-2 PI1 VALVE XFER HDR TO 121 FO XFER FLTR Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-FILTERPI0 FILTER BOFUEL OIL FILTERS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-MANIF PI0 MANIFOLDFUEL OIL SYSTEM MANIFOLDS Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-ORIFICPI1 RSTORF FUEL OIL RESTRICTING ORIFICES Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-PIPE-API0 PIPE FUEL OIL PIPING OUTDOORS.

Carbon Steel Fuel Oil Outdoor Air - Not Sheltered FO FO-PIPE-BPI0 PIPE FUEL OIL BURIED PIPING Carbon Steel Fuel Oil Buried FO FO-PIPE-PPI0 PIPE FUEL OIL SYSTEM PIPING Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO FO-TUBINGPI0 PIPE FUEL OIL TUBING Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled FP FP-DDFP/PPI0 PIPE FP COPPER ALLOY DDFP FUEL OIL PIPING IN PLANT AIR Copper Alloy Fuel Oil Plant Indoor Air - Uncontrolled DG LA-1-44 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK STDPIPE LWR ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-15-2 PI1 VALVE 12 DSL CLG WTR PMP DAY TANK STDPIPE LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-15-4 PI2 VALVE 22 DSL CLG WTR PMP DAY TANK STDPIPE LOWER ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 13 of 15 Page 31 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG LA-16-13 PI1 VALVE D2 DSL GEN DAY TANK LA-16783 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-14 PI1 VALVE D2 DSL GEN DAY TANK LA-16697 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-17 PI1 VALVE D2 DSL GEN DAY TANK LA-16781 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-18 PI1 VALVE D2 DSL GEN DAY TANK LA-16699 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-4 PI1 VALVE D1 DSL GEN DAY TANK LA-16780 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-5 PI1 VALVE D1 DSL GEN DAY TANK LA-16698 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-6 PI1 VALVE D1 DSL GEN DAY TANK LA-16782 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-16-8 PI1 VALVE D1 DSL GEN DAY TANK LA-16696 LOWER ROOT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-102 PI1 VALVE D1 DSL GEN DAY TANK LVL COLUMN LOWER ISOL VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-104 PI1 VALVE D2 DSL GEN DAY TANK LVL COLUMN LOWER ISOL VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-106 PI1 VALVE 12 DSL CLG WTR PMP DAY TK LA16682 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-108 PI1 VALVE 12 DSL CLG WTR PMP DAY TK LA16683 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-110 PI1 VALVE 12 DSL CLG WTR PMP DAY TK LA16685 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-112 PI1 VALVE 12 DSL CLG WTR PMP DAY TK LA16684 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-114 PI2 VALVE 22 DSL CLG WTR PMP DAY TK LA16686 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-116 PI2 VALVE 22 DSL CLG WTR PMP DAY TK LA16687 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-118 PI2 VALVE 22 DSL CLG WTR PMP DAY TK LA16689 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-120 PI2 VALVE 22 DSL CLG WTR PMP DAY TK LA16688 LOWER RT VLV Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-122 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16678 LWR RT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-124 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16679 LWR RT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-126 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16681 LWR RT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-2-128 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16680 LWR RT ISOL Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-3-44 PI1 VALVE 12 DIESEL CLG PUMP DAY TANK STANDPIPE - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-3-45 PI2 VALVE 22 DIESEL CLG PUMP DAY TANK STANDPIPE - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-3-46 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK STDPIPE DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-3-47 PI1 VALVE D1 DSL GEN DAY TANK INSTR COL DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-3-48 PI1 VALVE D2 DSL GEN DAY TANK INSTR COL DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-126 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16678 DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-138 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16679 DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-140 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16681 DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-141 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16680 VENT Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-142 PI0 VALVE 122 DD FIRE PMP OIL DAY TNK LA 16680 DRN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-144 PI1 VALVE 12 DIESEL CLG PUMP - OILDAY TANK LA16682 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-146 PI1 VALVE 12 DIESEL CLG PUMP - OILDAY TANK LA16683 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-148 PI1 VALVE 12 DIESEL CLG PUMP - OILDAY TANK LA16685 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-150 PI1 VALVE 12 DIESEL CLG PUMP - OILDAY TANK LA16684 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-152 PI2 VALVE 22 DIESEL CLG PUMP - OILDAY TANK LA16686 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-154 PI2 VALVE 22 DIESEL CLG PUMP - OILDAY TANK LA16687 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 14 of 15 Page 32 of 33 Fuel Oil System SSC Tag# Unit Type Description Material:

Internal Environ ment:

External Environment:

DG LA-4-156 PI2 VALVE 22 DIESEL CLG PUMP - OILDAY TANK LA16689 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-158 PI2 VALVE 22 DIESEL CLG PUMP - OILDAY TANK LA16688 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-160 PI1 VALVE D1 DSL GEN OIL DAY TANK LA16782 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-162 PI1 VALVE D1 DSL GEN OIL DAY TANK LA16780 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-164 PI1 VALVE D1 DSL GEN OIL DAY TANK LA16696 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-166 PI1 VALVE D1 DSL GEN OIL DAY TANK LA16698 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-168 PI1 VALVE D2 DSL GEN OIL DAY TANK LA16783 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-170 PI1 VALVE D2 DSL GEN OIL DAY TANK LA16781 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-172 PI1 VALVE D2 DSL GEN OIL DAY TANK LA16697 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled DG LA-4-174 PI1 VALVE D2 DSL GEN OIL DAY TANK LA16699 - DRAIN Carbon Steel Fuel Oil Plant Indoor Air - Uncontrolled FO SV-33119 PI0 VALVE 121 HTG BLR OIL SPLY SV Bronze Fuel Oil Plant Indoor Air - Uncontrolled FO SV-33123 PI0 VALVE 121 HTG BLR OIL BYPS SV Bronze Fuel Oil Plant Indoor Air - Uncontrolled OTI Fuel Oil, Attachment 2.xls Sheet1 15 of 15 Page 33 of 33